821727360

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:787

約数の個数: 192

約数和(自身を含む): 2852703360

約数和(自身を除く): 2030976000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 331, 360, 384, 431, 480, 576, 640, 662, 720, 862, 960, 993, 1152, 1293, 1324, 1440, 1655, 1724, 1920, 1986, 2155, 2586, 2648, 2880, 2979, 3310, 3448, 3879, 3972, 4310, 4965, 5172, 5296, 5760, 5958, 6465, 6620, 6896, 7758, 7944, 8620, 9930, 10344, 10592, 11916, 12930, 13240, 13792, 14895, 15516, 15888, 17240, 19395, 19860, 20688, 21184, 23832, 25860, 26480, 27584, 29790, 31032, 31776, 34480, 38790, 39720, 41376, 42368, 47664, 51720, 52960, 55168, 59580, 62064, 63552, 68960, 77580, 79440, 82752, 95328, 103440, 105920, 119160, 124128, 127104, 137920, 142661, 155160, 158880, 165504, 190656, 206880, 211840, 238320, 248256, 275840, 285322, 310320, 317760, 381312, 413760, 427983, 476640, 496512, 570644, 620640, 635520, 713305, 827520, 855966, 953280, 1141288, 1241280, 1283949, 1426610, 1711932, 1906560, 2139915, 2282576, 2482560, 2567898, 2853220, 3423864, 4279830, 4565152, 5135796, 5706440, 6419745, 6847728, 8559660, 9130304, 10271592, 11412880, 12839490, 13695456, 17119320, 18260608, 20543184, 22825760, 25678980, 27390912, 34238640, 41086368, 45651520, 51357960, 54781824, 68477280, 82172736, 91303040, 102715920, 136954560, 164345472, 205431840, 273909120, 410863680, 821727360]

約数ペア:

[(1, 821727360), (2, 410863680), (3, 273909120), (4, 205431840), (5, 164345472), (6, 136954560), (8, 102715920), (9, 91303040), (10, 82172736), (12, 68477280), (15, 54781824), (16, 51357960), (18, 45651520), (20, 41086368), (24, 34238640), (30, 27390912), (32, 25678980), (36, 22825760), (40, 20543184), (45, 18260608), (48, 17119320), (60, 13695456), (64, 12839490), (72, 11412880), (80, 10271592), (90, 9130304), (96, 8559660), (120, 6847728), (128, 6419745), (144, 5706440), (160, 5135796), (180, 4565152), (192, 4279830), (240, 3423864), (288, 2853220), (320, 2567898), (331, 2482560), (360, 2282576), (384, 2139915), (431, 1906560), (480, 1711932), (576, 1426610), (640, 1283949), (662, 1241280), (720, 1141288), (862, 953280), (960, 855966), (993, 827520), (1152, 713305), (1293, 635520), (1324, 620640), (1440, 570644), (1655, 496512), (1724, 476640), (1920, 427983), (1986, 413760), (2155, 381312), (2586, 317760), (2648, 310320), (2880, 285322), (2979, 275840), (3310, 248256), (3448, 238320), (3879, 211840), (3972, 206880), (4310, 190656), (4965, 165504), (5172, 158880), (5296, 155160), (5760, 142661), (5958, 137920), (6465, 127104), (6620, 124128), (6896, 119160), (7758, 105920), (7944, 103440), (8620, 95328), (9930, 82752), (10344, 79440), (10592, 77580), (11916, 68960), (12930, 63552), (13240, 62064), (13792, 59580), (14895, 55168), (15516, 52960), (15888, 51720), (17240, 47664), (19395, 42368), (19860, 41376), (20688, 39720), (21184, 38790), (23832, 34480), (25860, 31776), (26480, 31032), (27584, 29790)]